add sudo

Author: Mladen Rusev

.github/workflows/tests.yaml

@@ -99,7 +99,7 @@ jobs:
       - name: Install Smallstep CLI (step)
         run: |
           curl -LO https://github.com/smallstep/cli/releases/latest/download/step-cli_amd64.deb
-          apt-get install ./step-cli_amd64.deb
+          sudo apt-get install ./step-cli_amd64.deb
 
       - id: go-version
         run: |